M3GAN

Allison Williams

Gemma

Violet McGraw

Cady

Amie Donald

M3gan

Jenna Davis

M3gan (voice)

Ronny Chieng

David

Brian Jordan Alvarez

Cole

Jen Van Epps

Tess

Stephane Garneau-Monten

Kurt

Lori Dungey

Celia

Amy Usherwood

Lydia

Jack Cassidy

Brandon

Michael Saccente

Greg

Samson Chan-Boon

Officer Carter

Kira Josephson

Ava

Renee Lyons

Holly